- Bascom, Florence; Stose, George Willis, 1938, Geology and mineral resources of the Honeybrook and Phoenixville quadrangles, Pennsylvania: U.S. Govt. Print. Off., Bulletin 891, v, 145 p. :incl. illus., tables, 11 pl. (incl. fold. map (in pocket) fold. diagr.) ;23 cm.,
- Bass, N. W.; Kennedy, L. E.; Dillard, W. R.; Leatherock, Otto; Hengst, J. H., 1938, Subsurface geology and oil and gas resources of Osage County, Oklahoma. Part 1, Townships 22 and 23 north, ranges 10 and 11 east: Bulletin 900-A, 1-45 p.,
- Bradley, W. H.; Pepper, J. F., 1938, Geologic structure and occurrence of gas in part of southwestern New York. Part 1, Structure and gas possibilities of the Oriskany sandstone in Steuben, Yates, and parts of the adjacent counties: Bulletin 899-A, 1-68 p.,
- Callaghan, Eugene, 1938, Preliminary report on the alunite deposits of the Marysvale region, Utah: U.S. Govt. Print. Off., Bulletin 886-D, iv, 91-134 p. :illus. ;24 cm.,
- Callaghan, Eugene; Buddington, A. F., 1938, Metalliferous mineral deposits of the Cascade range in Oregon: U.S. Govt. Print. Off., Bulletin 893, viii, 141 p. :incl. illus., tables, 22 pl. (part. fold. incl. maps, plans) ;23 cm.,
- compiled by Ayvazoglou, W., 1938, Geophysical abstracts, 88-91, January-December 1937. Geophysical abstracts 89, April-June 1937: Bulletin 895-B, 43-92 p.,
- compiled by Ayvazoglou, W., 1938, Geophysical abstracts, 88-91, January-December 1937. Geophysical abstracts 90, July-September 1937: Bulletin 895-C, 93-196 p.,
- compiled by Ayvazoglou, W., 1938, Geophysical abstracts, 88-91, January-December 1937. Geophysical abstracts 91, October-December 1937: Bulletin 895-D, 137-203 p.,
- compiled by Ayvazoglou, W., 1938, Geophysical abstracts 92-95, January-December 1938: U.S. Govt. Print. Off., Bulletin 909, 222 p. ;24 cm.,
- compiled by Ayvazoglou, W., 1938, Geophysical abstracts, 92-95, January-December 1938. Geophysical abstracts 92, January-March 1938: Bulletin 909-A, 1-50 p.,
- Dane, C. H.; Rothrock, H. E.; Williams, J. S., 1938, Geology and coal resources of the southern part of the Oklahoma coal field. Part 3, The Quinton-Scipio district, Pittsburg, Haskell, and Latimer Counties: Bulletin 874-C, 151-253 p.,
- Eckel, Edwin Butt, 1938, The brown iron ores of eastern Texas: U. S. Govt. Print. Off., Bulletin 902, vi, 157 p. incl. illus. :tables. 20 pl. (incl. fold. maps, fold. diagr.) ;23 cm.,
- Geological Survey (U.S.), 1938, Spirit leveling in Missouri, 1896-1938. Part 1, Southeastern Missouri, 1896-1937: Bulletin 898-A, 1-132 p.,
- Geological Survey (U.S.), 1938, Spirit leveling in Missouri, 1896-1938. Part 2, South-central Missouri, 1896-1937: Bulletin 898-B, 133-308 p.,
- Geological Survey (U.S.), 1938, Spirit leveling in Missouri, 1896-1938. Part 3, East-central Missouri, 1896-1937: Bulletin 898-C, 309-450 p.,
- Geological Survey (U.S.), 1938, Spirit leveling in Missouri, 1896-1938. Part 4, Northwestern Missouri, 1896-1937: Bulletin 898-D, 451-580 p.,
- Lasky, Samuel Grossman, 1938, Geology and ore deposits of the Lordsburg mining district, Hidalgo County, New Mexico: U.S. Govt. Print. Off., Bulletin 885, v, 62 p. :ill., 25 pl. part fold. (incl. maps, plans, diagrs.) ;29 cm.,
- Mertie, John Beaver, 1938, Gold placers of Fortymile, Eagle, and Circle districts, Alaska: U.S. G.P.O., Bulletin 897-C, p. 133-261,
- Mertie, John Beaver, Jr., 1938, The Nushagak district, Alaska: U.S. Govt. Print. Off., Bulletin 903, iv, 96 p. :incl. illus., tables, diagrs. 12 pl. (part fold. incl. 2 maps (in pocket) ;23 cm.,
- Moffit, Fred Howard, 1938, Geology of the Chitina Valley and adjacent area, Alaska: U.S. Govt. Print. Off., Bulletin 894, iv, 137 p. :illus., xii pl. (incl. 8 fold. maps) ;23 cm.,
- Moffit, Fred Howard, 1938, Geology of the Slana-Tok district, Alaska: U.S. Govt. print. off., Bulletin 904, iv, 54 p. incl. illus., tables, diagrs. :4 pl. (incl. fold. map (in pocket)) ;23 cm.,
- Reed, John C.; Wells, Francis Gerritt, 1938, Geology and ore deposits of the southwestern Arkansas quicksilver district: U. S. Govt. Print. Off., Bulletin 886-C, 15-90 p. :ill., maps ;23 cm.,
- Smith, Philip Sidney, 1938, Mineral industry of Alaska in 1936: U.S. G.P.O., Bulletin 897-A, 107 p. :ill., folded map ;23 cm.,
- Staack, John George, 1938, Spirit leveling in Vermont, 1896-1935: U.S. Govt. print. off., Bulletin 888, ii, 155 p. incl. illus. (map), tables. pl. ;23 cm.,
- Staack, John George, 1938, Spirit leveling in Kansas, 1896-1935: U.S. Govt. Print. Off., Bulletin 889, 88 p.,
- Tuck, Ralph, 1938, The Valdez Creek mining district, Alaska, in 1936: U.S. Govt. Print. Off., Bulletin 897-B, ii, 109-131 p. :illus., maps ;24 cm.,
